*{
    margin:0;
    padding:0;
    border:none;
}
.none{
    display: none;
}
.ios-select{
    list-style: none;
    position:relative;
    margin:50px 0 0  260px;
    cursor: pointer;
}
.ios-select>.line{
    border-top: 1px solid #000;
    position: absolute;
    z-index: 1;
}
.ios-select-opt{
    text-align: center;
    position:absolute;
    width:100%;
    color: #888;
    font-size: 15px;
    transition: color .5s;
    -moz-transition: color .5s; /* Firefox 4 */
    -webkit-transition: color .5s; /* Safari 和 Chrome */
}
.ios-select-opt-selected{
    color: #000;
    font-weight: bold;
    font-size: 16px;
}
.btn{
    background-color: #54514C;
    color: #FF9326;
    height:40px;
    line-height: 40px;
    text-align: center;
    width:90px;
    margin-top: 40px;
    border-radius: 3px;
    margin-left: 240px;
    cursor: pointer;
}